be hard of hearing

听力不好，耳背

be exposed to, be faced with, be familiar to, be familiar with, be far from, be favourable to, be fed up, be fed up (with ), be fed up with, be filled with, be fit for, be fond of, be free from, be friends with, be full of, be generous in, be generous with, be glued to, be good at, be good to, be hard on sb., be hard pressed to do sth., be hard up, be hard up for money, be harmful to, be ignorant of, be in (good) shape, be in charge of, be in despair, be in drink, be in fashion, be in for, be in honour of sb.(sth.), be in love with, be in one's hands, be in sb.'s (sth.'s) honour, be in sympathy with, be in the habit of, be in the wrong, be incapable of,